1. Shaft diameter (d) can be: Ø6.35mm, Ø7.14mm, Ø 8.0mm.2. Shaft length (B, D) can be any as customers’ needs.3. Stator height (A) can be any from 10mm to 50mm.4. Mounting holes size and distance can be any as customers’ needs.5. Brackets can be either metal or aluminum. Its height can be changed.6. Motor rotation direction can be CW or CCW.